Roofing material



April 29, 1930. MP. HARSHBERGER.

ROOFING MATERIAL Filed July 12, 1928 mvwzrom ATTORNEY.

, atented Apnea 193% arse NORMAN P. HiARSHBERGER, F PASADENA, CALIFORNIA4 aoorme- MATERIAL Application filed July 12, 1928. Serial No. 292,079.

This invention relates to improvementsin roofing material and method offorming same. 4

It is one of the objects of this invention 5 to provide an improvedroofing material which may be formed either in single units or in stripscomprising a plurality of units, each of said units beingso constructedas to permit them to be laid in interlocking relation with one another,the particular interlocking means differing from anything heretoforeused'in the art, and greatly expedit-- ing the laying of roofs.

It is a further object of this invention to provide an improved roofingmaterial and method of forming the same which permits units or strips tobe cut in the proper size and shape from a sheet of material in such' amanner that there is practically no material wasted.

vIt is-afurther object of this invention to provide an improved roofingmaterial in which this interlocking means is so formed thatwhen theunits are being laid on a sloping roof, the engagement of one .unit withanother takes place from above in a downwardly direction, the unitsbeing maintained in position by their own weight prior to being naileddown. Heretofore, in the type of interlocking means employed, theengagement of. one unit with another was effected from below in anupwardly direction making it necessary to manually hold the units inplace until secured by nails.

It is a more specific object of this invention to provide an improvedroofing material in the form of shingles, each shingle comprising a bodyportion and a tab portion, the body portion being formed with a tonguepreferably in the form on an inverted T, and the tab portion beingformed with a recess for engaging the tongue of the shingle below, aportion of the tongue being of greater width than a portion of therecess to permit overlapping of the edges ofthe recess.

It is a further object of this invention to provide an improved roofingmaterial and method of forming the same, which 18 simple and inexpensiveto manufacture, and well adapted for the purpose described.

. plurality of roofing strips;

F ig. 2 is a fragmentary plan view of a roof covered with the improvedform of roofing material; 7 1

Fig. 3 is a view of a .strip comprising two units or shingles; and

Fig- 4 is a view of a single unit.

Referring to the drawing, the numeral 5 designates a sheet ofcomposition or other material such as is commonly employed in coveringroofs. The sheet is cuton the lines 5 as indicated in Fig. 1, to form aplurality of strips as shown in Fig. 3.- Each strip may comprise twoshingles as illustrated, or it may comprise a greater number. If it ismore convenient for a particular piece of work each shingle may be cutseparately as in Fig. 4.

Each shingle as cut consists of a body portion 6, and a tab portion 7,The lower edge 7 of the tab portion is formed with a recess 8', thematerial removed in forming said recess being the only waste in thisimproved method 7 of forming the shingles. The lower edge of the bodyportion adjacent the tab, and midway between two tabs in the case of astrip consisting of a plurality of shingles, has a pair of cutsextending upwardly, then at right angles toward one another, and thenupwardly to fOIIHigELIl' inverted T shaped tongue'9, the lower 'portionof the tongue being of greater width than the. recess to permitoverlapping of said recess.

The body portion of either a separate shingle or a strip of shinglesextends outwardly a greater distance on one-side than on the other as at10.. The purpose of this is to provide sufiicient material to form'avfull tongue 9. As no tongue is formed on the other side, the bodymaterial extends outwardly only a short distance as at 11,

In cutting the shingles from the blank shown in Fig. 1, the spacebetween the tabs of one row of strips is utilized to form the.

tabs of another row of strips, so that in cutting longitudinally throughthe blank,

1 on an irregular line the'tabs of two rows of strips are formedsimultaneously without waste of material. a

' The particularshape of the shingles is immaterial, as they may be cutto form any desireddesign. By forming the tabs with converging sides asshown, the finished roof has the appearance of being made up of aplurality of hexagonal shingles 1n staggered relation with one another.

. In laying the shingles -on a roof, a plurality of strips or separateshingles are placed ad-- 'jacent one another to form a row, and theirbody portions are secured to the roof by nailsor other suitable means.In laying the next row, the shingles orstrips are inserted from above sothat the edges of the recesses 8 of the tabs fit underneath t-helowerportions of the T-shaped tongues as shown in' F ig. 2. The shingles willthus be held in place on a slanting roof by theirown weight,

until permanently secured by nails. It will be seen that theinterlocking means provides a very positive engagement between the shingles and insures the proper positioning of the shingles with relation-toone another so that the design will be uniformly carried out. It is tobe further noted that thisimproved roofing material provides a coveringof two and three thicknesses in whichno nails are exposed therebyeliminating the possibility of leakage.

Fromthe foregoing description, it may be i .seen that the improvedroofing material with a recess and having another portion formed with atongue, said tongue being tor-med by converging cuts in the same edgeportion extending inwardly therefrom, a portion of said tongue being ofgreater width than a portion of the recess, the said recess beingengageable with the tongue of a like section of material, and the saidtongue being engageable with the recess of-another likesection ofmaterial.

2. A covering for roofs comprising a section of material having an edgeportion formed with a recess and having another portion formed with atongue, said tongue being "formed by converging cuts in the same edge{portion extending inwardly therefrom, a portionof said tongue being ofgreater width' than a portion of said recess, the said recess beingengageable with the tongue of alike section of material and the saidtongue being engageable with the recess of another like section ofmaterial positioned above to 'supa U-shaped recess, and having aportionl formed with an inverted T-shaped tongue,

the lower portion of said tongue being of greater width than theU-shaped recess, the

said recess being engageable with the tongue of a like section ofmaterial, and the said tongue being engageable with the recess ofanother like section of material, positioned above to support saidsection against downward movement.

4. A covering for roofs comprising a section of material having a bodyportion and.

having a tab portion extending therefrom,

the lower edge of the tab portion being formed with a recess, and thelower edge of the bodyiportion being formed with a tongue, said tonguebeing formed by converg ing cuts extending upwardly from said loweredge, the lower portion of said tongue being of greater width than aportion of said recess,

and said recess being engageable with the tongue of a like section ofmaterial, and

said tongue being engageable with the recess of the body having apair ofcuts extending inwardly, and then toward one another to form a tonguewith side flaps, said recess being engageable with the tongue of a likesection of material, and said tongue being engageable with the recess ofanother like section of material, the side flaps of the tongueoverlapping the edges of the recess.

6. A covering for roofs comprising a section of material having a bodyportion and having a tab portion extending therefrom, the lower edgeofthe tab having a portion cut out to form a U-shaped recess, and thelower edge of the body portion having a pair of cuts extending inwardlyand then toward one another and then inwardly again to form an invertedT-shaped tongue, the lower portion of said inverted T-shaped tonguebeing of greater width than the U-shaped recess of the tab portion, thesaid tongue being engageable with the recess of a like section ofmaterial, and the said recess being engageable with the tongue ofanother like section of material.

7. A covering for roofs comprising a sec; tion of material having anedge cut out to form a recess and having another edge provided with apair of cuts extending inwardly and then toward each other to form atongue with side flaps, said recess being engageable with the tongue ofa llke section of,mater1al, and said tongue being engageable with therecess of another like section of material, the a side flaps of thetongue overlapping the edges of the recess.

8. A covering for roofs comprising a section of material having aportion formed with a recess and having another portlon formed with atongue, said tongue being formed by converging cuts in the same edgeportion extending inwardly therefrom, the distance betweenthe innerportions of said cuts being less than the width of said recess and. thedistance'between the outer portions of said cuts being greater than thewidth of said recess, the said recess being engageable with the tongueof a like section of material and the said tongue being engageable withthe recess of another like section of material.

9. A covering for roofs, comprising a section of material having a bodyportion and having a tab portion extending therefrom, the lower edge ofthe tab portion being formed with a recess, and the'lower edge of thebody portion being formed with atongue, the lower portion of said tonguebeing of greater width than a portion of said recess, and said recessbeing engageable with the tongue of a like section of material, and saidtongue being engageable with the recess of another like section ofmaterial.

10. A covering for roofs, comprising a section of material having anedge formed with t a recess and having a portion formed with a tongue,the lower portion of said tongue being of greater width than the recess,the said recess being engageable with the tongue of a like section ofmaterial, and the said tongue being engageable with the recess ofanother like" section of material positioned above to support saidsection against downward movement.

In testimony whereof. I afiix my signature.

NORMAN J. HARSHBERGER.

